Following a NASCAR pileup that sent driver Austin Dillon scaling the catch fence as his car shred behind him last year, a fan allegedly injured in the incident filed a lawsuit against both the track and NASCAR. The fan alleges that debris hit him in the head and shoulder, and that he has yet to fully recover.

William Fulton filed the lawsuit in a Florida state court in Volusia County on Monday, according to . Fulton claims that he was in the sixth row in the Coke Zero 400 last July. In addition to leaving out specific injuries, the complaint did not state the amount being sought by Fulton in damages.

The wreck itself , one of whom went to the hospital. Despite becoming airborne and dragging the catch fence, the extent of Dillion’s injuries were a bruised tailbone and forearm. While the fan didn’t list his specific injuries, the complaint was extensive. From ESPN:

According to the complaint, the track, its parent company International Speedway Corp. and NASCAR, were negligent, among other things, for “failing to properly remedy known dangerous conditions following continued, numerous injuries to spectators as a result of airborne race cars crashing into the catch fences” and for “failing to conduct a thorough engineering analysis of the catch fences and pre-race inspection of the fences.”

Neither NASCAR nor the parent company of Daytona International Speedway, the International Speedway Corporation, had comment on the matter, according to ESPN. Fulton’s attorney declined comment.

According to ESPN, the standard sanctioning agreement for NASCAR means tracks must assume liability for spectator injuries and have $50 million in liability insurance. The report added that NASCAR has been researching new catch-fence technologies, but it’s a tough balance—the fences need to be strong enough to separate cars from spectators, yet transparent enough for visibility.

But, with wrecks like Dillon’s and the one that , the matter continues to weigh on the sport.